From: Emil Velikov Date: Thu, 16 Nov 2017 14:22:18 +0000 (+0000) Subject: mesa: document _mesa_extension_override_* variables X-Git-Tag: upstream/18.1.0~3394 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e964e01fddde2b0d5caed5d9808f43dd99590f26;p=platform%2Fupstream%2Fmesa.git mesa: document _mesa_extension_override_* variables Currently there are no users of these outside of extensions.c. Provide some information why they exist and how to use them. Cc: Jordan Justen Signed-off-by: Emil Velikov Reviewed-by: Andres Gomez --- diff --git a/src/mesa/main/extensions.h b/src/mesa/main/extensions.h index 59761bf..159610b 100644 --- a/src/mesa/main/extensions.h +++ b/src/mesa/main/extensions.h @@ -106,6 +106,15 @@ _mesa_has_##name_str(const struct gl_context *ctx) \ #include "extensions_table.h" #undef EXT +/* Sometimes the driver wants to query the extension override status before + * a context is created. These variables are filled with extension override + * information before context creation. + * + * This can be useful during extension bring-up when an extension is + * partially implemented, but cannot yet be advertised as supported. + * + * Use it with care and keep access read-only. + */ extern struct gl_extensions _mesa_extension_override_enables; extern struct gl_extensions _mesa_extension_override_disables;